Klaus Schmidinger wrote:
> On 06.01.2010 14:22, Tomasz Bubel wrote:
> > [...]
> >> - Added support for DVB cards with multiple fontends. Note that this only
> >> works for DVB cards where each frontend can be used independently of all
> >> the others on the same adapter.
> > [...]
> > Any chance of using using DVB-T frontend on HVR-4000? This card have 2
> > separate frontends. And as quoted on
> > http://www.linuxtv.org/wiki/index.php/Hauppauge_WinTV-HVR-4000:> >
> > "Multiple frontends are supported: DVB-S/S2 and DVB-T appear as
> > /dev/dvb/adapterN/frontend0 and /dev/dvb/adapterN/frontend1
> > respectively.
> >
> > Due to a hardware limitation, the two frontends cannot be used
> > simultaneously. However they can be used sequentially within the same
> > application. The driver handles the mutual exclusion appropriately."
>> Well, that's still a problem.
> Is there a defined way (via the LinuxDVB driver API) through which VDR
> can find out whether the frontends can be used independently?
Afaik DVB API does not specify any way to do that.
For now, I suggest that you simply try to open the frontend.
If this fails, you may assume some kind of ressource limitation...
CU
Oliver
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